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<span class="hljs-meta">#<span class="hljs-meta-keyword">include</span> <span class="hljs-meta-string"><iostream></span></span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">define</span> foo 1<<16</span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">ifdef</span> DEBUG</span>
TYPE1 foo(<span class="hljs-keyword">void</span>)
<span class="hljs-meta">#<span class="hljs-meta-keyword">else</span></span>
<span class="hljs-keyword">int</span> foo(<span class="hljs-keyword">void</span>)
<span class="hljs-meta">#<span class="hljs-meta-keyword">endif</span></span>
{ }
<span class="hljs-meta">#<span class="hljs-meta-keyword">define</span> x(v) ((v))</span>
<span class="hljs-meta"># <span class="hljs-meta-keyword">define</span> x(v) ((v))</span>
<span class="hljs-meta"># <span class="hljs-meta-keyword">define</span> x(v) ((v))</span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">if</span> MACRO_WITH_STRING_ARG(<span class="hljs-meta-string">"hello \"world\""</span>)</span>
<span class="hljs-meta">#<span class="hljs-meta-keyword">elif</span> MULTI_LINE <span class="hljs-comment">/* comment */</span> < \
EXPRESSION</span>
<span class="hljs-keyword">int</span> bar;
<span class="hljs-meta">#<span class="hljs-meta-keyword">endif</span> <span class="hljs-comment">// comment</span></span>
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